Answer:
z=98 and 5x+57 and z are supplementary.
Step-by-step explanation:
vertical angles theorem
Answer:
3/6 + 1/3
Step-by-step explanation:
20/24 can be devided top and bottom by 4 which would equal 5/6, if you add 3/6 + 1/3 also equals 5/6.
Answer:

Step-by-step explanation:
Let f(x) be the 3rd degree polynomial function.
The roots of this function are:
x=-2, x=-1 and x=3.
The factored form is:

This equation passes through (2,12)
This implies that;

The polynomial function is

Answer:
A
Step-by-step explanation:
2/3 x 3/4 = 2x3/3x4 = 6/12 = 1/2
I have seen this problem before, except it was worded differently. Is this the problem you wished to express?
1+4=5, 2+5=12, 3+6=21, 8+11=?
If so, then your answer is to simply add the last answer to the next problem. If not, then I am afraid I cannot help you.
1+4=5
5+2+5=12
12+3+6=21
21+8+11=40